201. What is another name for relative permittivity?
A. Dielectric strength
B. Electric intensity
C. Potential gradient D. Dielectric constant
202. The relation between absolute permittivity of air (ε0), absolute permeability of air (µ0) and
velocity of light (c) is given by
A. µ0ε0 = c^2
B. µ0ε0 = c
C. 1/µ0ε0 = c D. 1/µ0s0 = c^2
, 203. The dielectric constant of most materials lies between A. 1 and 10
B. 10 and 20
C. 20 and 50
D. 50 and 100
204. A test charge means a charge of
A. -1 C
B. 1 electron
C. +1 C
D. -20 C
205. Electric lines of force leave or enter the charge surface at an angle of
A. 30o
B. 45 o
C. 90 o
D. depending upon the angle of launch and entry
206. Electric field intensity is measured in A. volts/meter
B. Newton/meter
C. Newton-meter
D. Amperes/meter
207. Electric field intensity is a .
A. scalar
B. phasor
C. vector
D. variable
208. Electric field intensity at a point due to a given charge if the relative permittivity
of the medium decreases.
A. decreases
, B. remains unchanged
C. increases
D. becomes zero
A. Dielectric strength
B. Electric intensity
C. Potential gradient D. Dielectric constant
202. The relation between absolute permittivity of air (ε0), absolute permeability of air (µ0) and
velocity of light (c) is given by
A. µ0ε0 = c^2
B. µ0ε0 = c
C. 1/µ0ε0 = c D. 1/µ0s0 = c^2
, 203. The dielectric constant of most materials lies between A. 1 and 10
B. 10 and 20
C. 20 and 50
D. 50 and 100
204. A test charge means a charge of
A. -1 C
B. 1 electron
C. +1 C
D. -20 C
205. Electric lines of force leave or enter the charge surface at an angle of
A. 30o
B. 45 o
C. 90 o
D. depending upon the angle of launch and entry
206. Electric field intensity is measured in A. volts/meter
B. Newton/meter
C. Newton-meter
D. Amperes/meter
207. Electric field intensity is a .
A. scalar
B. phasor
C. vector
D. variable
208. Electric field intensity at a point due to a given charge if the relative permittivity
of the medium decreases.
A. decreases
, B. remains unchanged
C. increases
D. becomes zero
